Research Article

Serum from Men with the Severe Form of COVID-19 Impairs the Nitric Oxide Signaling Pathway in Isolated Corpus Cavernosum from Mice: An In Vitro Study

Table 2

Potency (pEC50) and maximal response (, %) values obtained from concentration-response curves for sodium nitroprusside (SNP), acetylcholine (ACh), tadalafil, sGC stimulator BAY 63-2521, and activator BAY 58-2667 in corpus cavernosum strips from healthy mice incubated (3 h, 4°C) with human serum from control and COVID-19 patients.

pEC50 (%)

SNPVehicle9
Control serum6
COVID-19 serum7

AChVehicle5
Control serum6
COVID-19 serum6

TadalafilVehicle5
Control serum5
COVID-19 serum7

BAY 58-2667Vehicle3
Control serum5
COVID-19 serum5

BAY 63-2561Vehicle4
Control serum5
COVID-19 serum5

Vehicle: Krebs-Henseleit solution. Data represents . , control serum vs. COVID-19 serum.